Shoe upper



FIG. 1 is a rear perspective view of a shoe upper showing our new design;

FIG. 2 is a side view thereof; and,

FIG. 3 is a front perspective view thereof.

The broken lines immediately adjacent to the shaded area represent unclaimed boundaries of the design. The unshaded regions demarcated by broken lines within the shaded area, including the two rounded trapezoidal shaped regions having disclaimed eyelets, and the three triangular shaped regions, form no part of the claimed design. The broken lines showing the remainder of the shoe are for environmental purposes only and form no part of the claimed design. 

The ornamental design for a shoe upper, as shown and described. 